66168

66168 PROTON RADIATION TOLERANT OPTOCOUPLER (Pin-for-Pin Replacement for 4N49) Mii OPTOELECTRONIC PRODUCTS DIVISION Rev. A 4/25/00 Features: High Reliability Base lead provided for conventional transistor biasing Rugged package Stability over wide temperature +1000V electrical isolation Applications: Eliminate ground loops Level shifting Line receiver Switching power supplies Motor control DESCRIPTION The 66168 is a modified 4N49 (LED) designed to be more tolerant to proton radiation. The 66168 optocoupler is packaged in a hermetically sealed TO-5. This device can be supplied to customer specifications as well as tested in accordance with MIL-PRF-19500/548 (4N49) to JAN, JANTX, JANTXV and JANS levels. ABSOLUTE MAXIMUM RATINGS Input to Output Voltage......................................................................................................................................................... +1kV Emitter-Base Voltage................................................................................................................................................................ 7V Collector-Emitter Voltage (Value applies to emitter-base open-circuited & the input-diode equal to zero) .......................... 40V Collector-Base Voltage ........................................................................................................................................................... 45V Reverse Input Voltage .................................